800714861691 has 4 divisors (see below), whose sum is σ = 1067619815592. Its totient is φ = 533809907792.

The previous prime is 800714861663. The next prime is 800714861741. The reversal of 800714861691 is 196168417008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 800714861691 - 2⁶ = 800714861627 is a prime.

It is a super-2 number, since 2×800714861691² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (800714860691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133452476946 + ... + 133452476951.

It is an arithmetic number, because the mean of its divisors is an integer number (266904953898).

Almost surely, 2^800714861691 is an apocalyptic number.

800714861691 is a deficient number, since it is larger than the sum of its proper divisors (266904953901).

800714861691 is a wasteful number, since it uses less digits than its factorization.

800714861691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266904953900.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 800714861691 in words is "eight hundred billion, seven hundred fourteen million, eight hundred sixty-one thousand, six hundred ninety-one".